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new toy

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PostPosted: Wed May 23, 2018 12:02 pm    Post subject: new toy Reply with quote

Sent from my iPhone


Time: 10:48:58 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob(at)>
Subject: New toy . . .

For those of you who suffer from quantitative
OCD like I do, there is a class of measurement
tool that has trickled down in price to where
us po' folk can afford them.

GPS disciplined signal sources can exploit
the extra-ordinary time-keeping features of
the GPS system to produce accurate reference
signals with accuracies/stabilities out to
a buckets-full-of-zeros.

I've been eyeing these for several years but
finally yielded to temptation with this
puppy on eBay

With this device driving the 10MHz reference
port on my 40 year old HP signal generator,
proving legality of the radios on our
emergency services hand-helds and trucks
is a no-brainer.

You may have to mount an antenna outside your
facility with good sky view . . . beyond
that, these things are plug-n-play.

Bob . . .


For your interest and any one who misses out on the e-bay offer (they are “almost gone”) there is another source of low cost GPSDOs:
They have one at a similar price to the e-bay offer but with more output frequency capability and a slightly pricier one with dual flexible frequency outputs.
I don’t have one and I don’t know how the sdr-kits compare with e-bay precision wise but they look interesting.

I know about sdr-kits because they offer a low cost 1khz-1.3Ghz vector network analyzer that I have been eyeing. Might be interesting to some of your following.
Nick Gautier

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